| 单词 | allochthonous |
| 释义 | Word Frequency allochthonous(əˈlɒkθənəs) adjective (of rocks, deposits, etc) found in a place other than where they or their constituents were formed Compare autochthonous (sense 1)Word origin C20: from Greek allokhthon, from allo- + khthōn (genitive khthonos) earth |
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